427330872 has 24 divisors (see below), whose sum is σ = 1157354640. Its totient is φ = 142443600.

The previous prime is 427330867. The next prime is 427330901. The reversal of 427330872 is 278033724.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×427330872² = 365223348328560768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2967504 + ... + 2967647.

It is an arithmetic number, because the mean of its divisors is an integer number (48223110).

Almost surely, 2^427330872 is an apocalyptic number.

It is an amenable number.

427330872 is an abundant number, since it is smaller than the sum of its proper divisors (730023768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

427330872 is a wasteful number, since it uses less digits than its factorization.

427330872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5935163 (or 5935156 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 427330872 is about 20671.9827786306. The cubic root of 427330872 is about 753.2192712855.

The spelling of 427330872 in words is "four hundred twenty-seven million, three hundred thirty thousand, eight hundred seventy-two".